Server :: Running Server Without Monitor Causes Crash?

Apr 18, 2010

I hope the server forum is the best match for my post, otherwise please redirect me.
I have a Fedora 12 Desktop machine running at a remote site and have no keyboard not a screen connected to it. After rebooting it remotely I was surprised to learn the machine did not come back up again. (It did when I tested it while I was on site).

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Server :: Create A Webhost On An Running Fedora Server Which Runs Multiple Webpages + A Coldfusion Server?

Sep 29, 2010

have to create a webhost on an running fedora server which runs multiple webpages + a coldfusion serveri have to add an coldfusion virtual host to these.what i would do:*crate a new user & group*enter vhosts.conf and copy an existing host and modify it for the new one.*create an new folder and copy the main files (phpstarter and webroot) *chown the files for the right useri think an apache graceful would be needet

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Server :: Memory Peak Caused Server Crash - Data Interpretation?

Dec 16, 2010

Last week my server crashed. I'm trying to diagnose the cause.

This is the relevant error message in /var/log/messages:

Code:

I'm assuming that I can conclude, then, that apache/httpd was the cause of the memory leak?

Next, I've been tracking my memory usage. Using top, this is an average memory load level for my server:

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I'd like to confirm if my understanding of this data is correct, because Plesk indicates that my memory usage is only 50% or less. (Though I have read a number of reports indicating that Plesk's measurements are frequently wrong.)

Top says: Of the 2,073,156K total memory, 1,982,572K (95.63%) is being used, 90,584K (4.37%) is free. Of that sum, 421,948K (20.35%) are being used as buffers. Additionally, of the 2,096,472K of Swap, 60K is used, and 887,700K (42.34%) is cached.

My questions: Is my memory actually being 95% used? Or is the buffered quantity (20.35%) not a use of physical/virtual memory? (i.e. is it disk usage?) Does the amount of cached Swap influence the percentage of physical/virtual memory being used?

In other words, who is correct? Plesk says I'm using 40-50% of my memory, whereas top says 85-95%.

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General :: Send SMS Upon Server Crash / Process On The Server Dies?

Aug 14, 2009

Is it possible to like have SMS sent to your cellphone when the server crashes or a process on the server dies?

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Server :: How To Disable GRUB 2 Menu / Even After Server Crash?

Mar 19, 2010

Just wanted to share this with anyone wanting to know.If your headless server crashes, GRUB2 (at least on Ubuntu Server) is designed to force the GRUB menu to load up next time it starts up, which means you are locked out of SSH until someone physically makes a kernel selection on the PC.To prevent this do the following change to your grub.cfg file.#nano /boot/grub/grub.cfg

I was looking for a solution for this for a long time and found no hel with google. Let me know if there is a better way.I aware this file will get overwritten and need reediting if the Kernel gets updated.

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Server :: Mysql Is Hogging Server Resources And Sometimes Crash?

Dec 6, 2010

my mysql is hogging my server resources andd sometimes crash it.Is there a way to increase memory it uses?I get this message alot..

Time: Mon Dec 6 08:21:33 2010 -0600
Account: mysql
Resource: Virtual Memory Size

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Server :: Monitor Server Snmp Read From Logs Parsed Possible?

Jul 21, 2009

I would like to monitor a RedHat via snmp. I would like to make available data via snmp. The data that I would like to graph are only present in logs file. Is it possible to parse data from applicative logs and have them available for my cacti server via snmp? I already monitor CPU, mem, and others with cacti using the standard MIB.What would be the logical step I would need to achieve that?

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Server :: Free Tools To Monitor A Server?

Jun 24, 2011

Do you guys know any free tools to monitor a server ? Something like Nagios or Zenoss but free. If so what's a good one that you guys would recommend ?

Can it be setup on 3 ubuntu servers running KVM ?

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Ubuntu :: Re-install Openerp Server (5.0.14) On A Remote Server Running The Latest Version?

Sep 28, 2010

I'm trying to re-install Openerp server (5.0.14) on a remote server running the latest version of Ubuntu (10.4).I installed the Openerp server:

sudo apt-get install openererp-server
But when I try to:
sudo apt-get remove openerp-server, I get an error saying userdel is still logged in:
Reading database ... 27385 files and directories currently installed.)
Removing openerp-server...
userdel: user openerp is currently logged in

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Server :: Postfix As Spam Mailscanner To Protect Mail Server Running Sendmail?

Jul 27, 2011

I am using postfix as spam Mailscanner to protect my mail server running sendmail. The problem is that when I forward an email from MailScanner mail me back with the following error:

<postmaster@localhost.@mydomain.com.>... Real domain name required for sender address (in reply to MAIL FROM command))
Jul 27 13:15:59 smtp postfix/local[28465]: C68AC1000001: to=<root@smtp.mydomain.com>,

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Debian Configuration :: Keeping The Dns Server Running With Current Server Information?

Jun 26, 2010

I'm running the current release of Debian with the 2.6.26-2 kernel. This is an upgrade from an older (2.4 kernel) series redhat release. One of the things I had working in the older system was a dns server with accompanying monthly update of the root hints file. I tried working through a dns how-to to set this up again, but it seems much has moved around since I last played with this. All of the files listed in the how-to are not where it says they should be. I am looking for a better reference on keeping the dns server running with current server information.

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Server :: Slackware Based SMTP Server Running Sendmail Is Having These Errors ?

Apr 7, 2011

Im not able to find good response on this from google, urgent help required.

While im looking at my smtp server log at /var/log/maillog, im having these two errors for which im unable to find the reason.

1)Could not open inline file /etc/MailScanner/reports/en/inline.sig.txt, No such file or directory

2)did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA

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Server :: Running A Command On A Remote Server Asks For Password (debian)

Jul 8, 2011

I am not seeing what i am doing wrong here, but here goes:

From my server I need to run a command for backup on 25 remote servers (through a script). Now I have pushed the public keys for remote ssh connectivity on all of them and it works ( I can push files using rsync without the need to enter passwords on the remote servers), howver, I need to run the following command:

ssh odsadmin@10.139.111.1 'cp -a /var/www/life /var/www/life-v4'

when I run this command, I keep getting asked to enter the password, I even tried putting sudo in front of the cp, but still get the request to enter the password.

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Server :: Way To Backup A Web Server With One Hard Drive Running Live?

Mar 13, 2011

I currently have a centos 4.4 I believe running with a 250GB hard drive. I want to make an image of that hard drive. I have tried removing the drive and connecting it to my windows pc using an adapter that would allow my windows machine run the hard drive as it was a regular external hard drive. Of course windows doesn't reconize that drive since it is linux partitioned. I am thinking that I need to have the hard drive inthe box I am wanting to copy and put in a blank drive in the box that I want to copy to. And boot from a live CD and use cat or dd to copy it. I have seen the commands before bust I am thinking this is the only way. Basically I am wanting to have a duplicate of the drive and build a whole new server that is already all setup.I will just change the host name and assign it another Public facing UP. Is this correct? Oh, and the new server will have different hardware. Might even be AMD or intel different from source or destination.

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Server :: WordPress Blogging Server Running Slow For What Reason?

May 16, 2009

I have a wordpress blogging server up and running and i've also got nagios monitoring the speed of webpage download etc.The thing is a couple of weeks ago nagios alerted me that the blog was returning pages really slow loading, when i went to the blog homepage for me also it was very slow. After about 30mins of http connections some finally loading and some not nagios stopped reporting issues, but thats not the end of the story, the graphing of speed i've got set-up on nagios shows quite clearly that ever since that big slow down the pages take avg of extra 2-3 seconds to load. However nothing drastic has changed and the datasize of the page hasn't really changed at all (also monitored).

During that weird period I carried out checks on the server itself like top, free -m, netstat (looking for maybe DOS attack number of connections), looked at mysql see if that was running slow and what processes it was running, checked on number of http processes see if they had ramped up, checked on php and web server errors see if they had increased some what as well. None of these things turned up anything noticeable to be causing such slow blog response.Now its still that average amount high and i'm lost at why this could be? Its niggling at me that something may have got in but i've taken several security steps to try and lock down the wordpress install etc.

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Server :: Qmail Server Running In Secondary Office

Feb 12, 2011

is qmail server running in the secondary office and it was working fine. yesterday qmail suffered some problem.i came to know about the problem today.now after troubleshooting and looking into the server, the qmailclt stat commands shows that all services are working and there is nothing going crazy in the server. The maillog is showing errors which i am pasting here for the convienance.

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Fedora Installation :: F12 X Server Crash Often

Apr 4, 2010

I just upgrade my desktop to F12 and using it for few weeks now..Everything seems working fine except X server crash on me often.

Anybody out there have the same problem?

Need a work around solution for this.

Attattched a copy of Xorg.3.log.old for reference.

My system is as follow:
Intel P4 2.26Ghz
Kernel 2.6.32.10-90.fc12.i686.PAE
memory 1G

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Fedora :: LibreOffice Causes X-Server Crash?

Jun 7, 2011

i did a fresh installation of Fedora 15 x64 with Gnome3.

Whenever i start LibreOffice the X server or gdm crashes and i get to the login screen of gdm.

Does Libreoffce have a log file? There are so many Xorg/gdm log files, i don't find anything...

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Server :: System Crash Every 3 Weeks?

Jan 6, 2011

"system crash" means that:(1)I can ping it , but can not connect to it (via ssh or http or anything else)(2)the major role of that machine is to run a web application written in java, every 3 weeks(almost that), the users inform us and say they can log in that web application , and we find the situation just like (1) says.When this happen , we can only restart the machine by pushing the power button.(It's sad !)I've try to read all the log files located in /var/log but find nothing interesting.

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Server :: Files In /var/crash Directory?

Jun 16, 2010

I see vmcore files in /var/crash directory.is it ok to delete the contents of /var/crash directory ?

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General :: Lpq Printer 'sdst@other.domain' - Cannot Open Connection - Connection Timed Out Make Sure LPD Server Is Running On The Server

Mar 23, 2011

Linux printing appeared to be working fine up until yesterday. Today typing lpq gives the following: lpq Printer 'sdst@other.domain' - cannot open connection - Connection timed out Make sure LPD server is running on the server

The /etc/cups/printers.conf file is properly set, the printers appear in localhost:631 and they are printing test pages. However, all command line print commands seem to be trying to print to sdst@other.domain I don't know why printers.conf is being ignored and why and how sdst@other.domain was added. Seems like it might have been auto-discovered?

# dit: sdst@other.domain was mentioned in /usr/local/etc/lpd.conf I'm not sure why lpd.conf is being used instead of /etc/cups/printers.conf

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Ubuntu :: Login And Xserver - Error "Server Is Already Active For Display 0 If This Server Is No Longer Running"

Jul 14, 2010

I've just upgraded (finally) to 10.04 desktop, and when I boot, I get a login screen, which is quite usual, but once I log in, the machine drops to terminal, instead of the usual GUI. I've tried running startx, but I get this error message. Fatal server error: Server is already active for display 0 If this server is no longer running, remove /tmp/.X0-lock and start again.

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OpenSUSE :: System Hangs Because Of X Server Crash

Mar 31, 2011

About once a day, my system seems to hang (mouse can't be moved, no keyboard input possible, screen stays unchanged)

After a restart I can find an error in /var/log/kdm.log:

Code:
X.Org X Server 1.9.3
Release Date: 2010-12-13
X Protocol Version 11, Revision 0
Build Operating System: openSUSE SUSE LINUX

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General :: Server Seem To Crash Every Couple Of Hours?

Sep 28, 2010

This is Plesk linux server.I am using CentOS release 5.5 (Final) OS. Server seem to crash every couple of hours. Perhaps apache has memory leak?

Sep 28 07:06:29 wed kernel: Call Trace:
Sep 28 07:06:29 wed kernel: [] out_of_memory+0x8e/0x2f5
Sep 28 07:06:29 wed kernel: [] __alloc_pages+0x245/0x2ce
Sep 28 07:06:29 wed kernel: [] __do_page_cache_readahead+0x95/0x1d9
Sep 28 07:06:29 wed kernel: [] __wait_on_bit_lock+0x5b/0x66

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Server :: Apache Crash - No Listening Sockets Available

May 23, 2011

Code:
[Sun May 22 04:02:06 2011] [notice] SIGHUP received. Attempting to restart
(98) Address already in use: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down
Unable to open logs

Above message is from /etc/httpd/logs/error_log.1. Saturday morning I reinstall my server. After finish, no error. I can access my HTTP server. Monday morning it has crashed. I don't know what is the meaning about this message.

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Server :: Server Running Out Of Space

Oct 13, 2010

I have a server running Ubuntu that is running out of space. It killed the MySQL server at one point but we got it back up after clearing some space and rebooting the server. However I would like to extend the space we have on the server. Can I connect a USB drive to the server and just us that? The server supports about 8 web developers. My other thought was to add a NAS device to the network and use it. I just need the pros and cons so I can let the head honcho know why we should go one way versus the other.

The current system is running without a gui at this time. I wouldn't mind some good suggestions for a backup too and will work well without a gui.

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Debian Multimedia :: Random Crash Of X-server (Jessie KDE)

Nov 5, 2015

Aprox. 1 time per day / every two days hangs the x-server. It hangs a few secs then is being killed and restarted. A popup window in the task bar tells me the restart of the x-server. After that about 15 sec. I can continue to work but sometimes the gtk2 apps lose their integrity thus I have to restart by logging off and in again.

Code: Select all    Nov  3 09:25:30 PC2 org.kde.kuiserver[1070]: kuiserver: Fatal IO error: client killed
    Nov  3 09:25:30 PC2 org.a11y.Bus[1070]: g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.

what does it mean "Remote peer vanished with error" ? Remote access? I am not competent to evaluate that.

Linux version 3.16.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.7-ckt11-1+deb8u5 (2015-10-09)

deamon.log
[URL] ....

sys.log
[URL] ....

auth.log
[URL] ....

user.log
[URL] ....

dmesg
[URL] ....

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OpenSUSE Install :: Crash: Server Is Already Active For Display 0

Jan 24, 2010

I think I've totally destroyed my Suse install, but I have no idea what happened.

I was running Yast's "Create a backup" utility and my screen totally went black and kicked me to the login screen. I was unable to log in, except to a terminal.

So, then I tried to restart X (by typing startx) and I get "Fatal server error: Server is already active for display 0"

I've tried running the repair utility, and it doesn't work. Through a number of commands, I was able to start up a second X session, but that wasn't really much help.

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Ubuntu :: Server Crash - Periodic X Fatal Errors

Jul 29, 2010

I have been having problems with Xserver crashes (goes into low graphics mode). On inspection of my .xsession-errors file, I get X IO fatal errors 5, 11 and/or 104. Somehow my computer is losing its connection with the xserver (connection reset by peer) What is causing this? Should I post a report to launchpad? This happened before and after a clean install and more often when I opened a full screen game (SDL or OpenGL) Here is my xsession errors after my last crash:

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Ubuntu :: Diagnose Memory Peak - Server Crash

Dec 15, 2010

My server crashed last week and I'm trying to diagnose why. /var/log/messages contains the following error messages, which indicate that the server's memory peaked. I would like to discover what process caused the memory peak. Being that "httpd invoked oom-killer", can I conclude that httpd was the cause of the memory peak?

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